Method and device for suctioning the boundary layer

B - Operations – Transporting – 64 – C

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B64C 21/06 (2006.01) B64C 21/02 (2006.01)

Patent

CA 2548752

A method for suctioning the boundary layer at the surface (1) of an aircraft having an air-conditioning system (4), at whose flow-critical points of the surface multiple suction openings (2) are provided, the air quantity suctioned via these being discharged to the atmosphere again via at least one outlet (7) placed in a way favorable for flow, the air quantity suctioned from the surface (1) being fed to the air-conditioning system (4) of the aircraft, via whose outlet (7) the air quantity suctioned is discharged to the atmosphere together with the exhaust air of the air-conditioning system (4), to reduce flow losses.

L'invention porte sur un procédé qui permet d'aspirer la couche limite à la surface (1) d'un aéronef possédant un système d'air conditionné (4), selon lequel de multiples ouvertures d'aspiration (2) sont placées à des points critiques pour le flux de ladite surface, la quantité d'air aspirée via ces ouvertures retourne dans l'atmosphère via au moins une sortie (7) placée de manière qu'elle favorise le flux, la quantité d'air aspirée depuis la surface (1) étant introduite dans le système d'air conditionné (4) de l'aéronef, par la sortie (7) duquel la quantité d'air aspirée est évacuée dans l'atmosphère avec l'air d'évacuation du système d'air conditionné (4), ce qui réduit les pertes de flux.

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